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Here are the most common examples of these four patterns on a chest x-ray (click image
Consolidation - ... - Multifocal ill-defined ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
typically present as multifocal ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Lobar #Diffuse #Multifocal ... Table #RadiologyAssistant
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
consolidations ... #Diagnosis #Radiology ... #CXR #Multifocal ... #Consolidation ... #Differential #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
are dealing with multifocal ... dealing with the differential ... #Clinical #Radiology ... #CXR #Peripheral ... OrganizingPneumonia #BOOP #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In daily clinical ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
On the left a patient with CHF. 
There is an increase in heart size compared to
a patient with CHF ... On a supine film ... #Clinical #Radiology ... #CXR #CHF #Exacerbation ... #Comparison #RadiologyAssistant
Diffuse consolidation in bronchopneumonia
Here another case of diffuse consolidation.
This patient had fever and cough.
This was thought
Diffuse consolidation ... It will lead to multifocal ... #Clinical #Radiology ... #CXR #Pneumonia ... Legionella #Diffuse #RadiologyAssistant
Congestive heart failure
The findings are:
 - bilateral perihilar consolidation with air bronchograms and ill-defined borders
 -
bilateral perihilar consolidation ... #Clinical #Radiology ... #CXR #CHF #RadiologyAssistant
Wegener's granulomatosis
Wegener's is a collagen vascular disease with vasculitis involving the lung, kidney and sinuses.
In the
ill-defined areas of consolidation ... #Clinical #Radiology ... #CXR #GPA #Wegeners ... Granulomatosis #Multifocal ... #Nodules #RadiologyAssistant
Pleural effusion is bilateral in 70% of cases of CHF.
When unilateral, it is slightly more often
70% of cases of CHF ... effusion is seen on a supine ... #Clinical #Radiology ... #CXR #CHF #Pleural ... PleuralEffusion #RadiologyAssistant